The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 04 December 2025 06:24 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	328562	2.92%	14434	22.76	AMAZON-02, US
2	5413	267338	2.38%	98	2727.94	WAVENET-AS5413, GB
3	8151	218574	1.95%	12755	17.14	UNINET, MX
4	4538	162438	1.45%	5032	32.28	ERX-CERNET-BKB China Education and Research Network Center, CN
5	42337	112989	1.01%	689	163.99	RESPINA-AS, IR
6	18101	88094	0.78%	683	128.98	RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
7	7821	73023	0.65%	17	4295.47	ZAYO-MN, US
8	39891	68649	0.61%	4833	14.20	ALJAWWALSTC-AS, SA
9	45899	66393	0.59%	3328	19.95	VNPT-AS-VN VNPT Corp, VN
10	10620	62216	0.55%	3459	17.99	Telmex Colombia S.A., CO
11	335	60921	0.54%	220	276.91	DNIC-ASBLK-00306-00371, US
12	9198	60158	0.54%	1024	58.75	KAZTELECOM-AS, KZ
13	13188	53636	0.48%	1607	33.38	TRIOLAN, UA
14	36903	51837	0.46%	1250	41.47	MT-MPLS, MA
15	135031	46877	0.42%	59	794.53	RNPL-AS-AP RI Networks Pvt. Ltd., IN
16	36914	46223	0.41%	584	79.15	KENET-AS, KE
17	11776	45353	0.40%	1909	23.76	ATLANTICBB-JOHNSTOWN, US
18	15766	43900	0.39%	15	2926.67	DOMICILIUM-AS, IM
19	7552	42420	0.38%	4013	10.57	VIETEL-AS-AP Viettel Group, VN
20	197207	41985	0.37%	973	43.15	MCCI-AS, IR
21	58224	37774	0.34%	1175	32.15	TCI, IR
22	647	34682	0.31%	428	81.03	DNIC-ASBLK-00616-00665, US
23	36352	33539	0.30%	2924	11.47	AS-COLOCROSSING, US
24	212477	32754	0.29%	142	230.66	ROYALE-AS, NL
25	22773	31922	0.28%	4787	6.67	ASN-CXA-ALL-CCI-22773-RDC, US
26	8452	30580	0.27%	2128	14.37	TE-AS TE-AS, EG
27	31148	30383	0.27%	555	54.74	FREENET_LLC, UA
28	210218	30283	0.27%	216	140.20	OPENFIBER-ITALY, IT
29	56	30079	0.27%	981	30.66	DNIC-AS-00056, US
30	24835	29804	0.27%	1986	15.01	RAYA-AS, EG
31	11492	29449	0.26%	4789	6.15	CABLEONE, US
32	9808	28664	0.26%	13622	2.10	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
33	9829	28308	0.25%	1864	15.19	BSNL-NIB National Internet Backbone, IN
34	20940	26858	0.24%	4007	6.70	AKAMAI-ASN1, NL
35	11830	26109	0.23%	1992	13.11	Instituto Costarricense de Electricidad y Telecom., CR
36	12389	25666	0.23%	3179	8.07	ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
37	7713	25238	0.22%	3732	6.76	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
38	12479	24946	0.22%	7429	3.36	UNI2-AS, ES
39	37233	23712	0.21%	45	526.93	ORANGE-NIGER, NE
40	29091	23380	0.21%	90	259.78	IPNXng, NG
41	37294	23302	0.21%	134	173.90	TNM, MW
42	7029	23133	0.21%	2528	9.15	WINDSTREAM, US
43	9583	22198	0.20%	2055	10.80	SIFY-AS-IN Sify Limited, IN
44	367	22079	0.20%	1956	11.29	DNIC-ASBLK-00306-00371, US
45	12252	21912	0.20%	717	30.56	America Movil Peru S.A.C., PE
46	16625	21359	0.19%	3005	7.11	AKAMAI-AS, US
47	21859	21346	0.19%	1607	13.28	ZEN-ECN, US
48	22884	21205	0.19%	1067	19.87	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
49	174	21075	0.19%	2787	7.56	COGENT-174, US
50	25184	20547	0.18%	226	90.92	AFRANET to AS62265 announce AS25184, IR
Total		2743872	24.44%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	208907	7071.0	0.06%	1	7071	RISING-BRIDGE-TECHNOLOGY, GB
2	396950	6088.0	0.05%	1	6088	COMSTBARTH-AS, FR
3	56644	4403.0	0.04%	2	4403	SYNFS-AS, GB
4	7821	4295.5	0.65%	17	73023	ZAYO-MN, US
5	33764	4241.0	0.04%	3	4241	AFRINIC-ZA-JNB-AS, MU
6	7954	3866.7	0.10%	3	11600	IMMENSE-NETWORKS, US
7	886	3735.0	0.03%	1	3735	SBH-IX-SERVICES, FR
8	29469	3540.0	0.03%	1	3540	GTU Khmelnitsky, Ukraine, UA
9	52852	3439.5	0.06%	5	6879	Last Mile Telecom, BR
10	45720	3312.0	0.03%	2	3312	IDNIC-LPDB-AS-ID Lembaga Pengelola Dana Bergulir, ID
11	15766	2926.7	0.39%	15	43900	DOMICILIUM-AS, IM
12	5413	2727.9	2.38%	98	267338	WAVENET-AS5413, GB
13	264534	2665.0	0.02%	1	2665	SPOT PROMOCOES, EVENTOS E MERCHAND LTDA, BR
14	213641	2456.0	0.02%	1	2456	AS213641, DE
15	25048	2409.3	0.06%	5	7228	DSNET DSNet, GB
16	27892	2381.0	0.02%	1	2381	Universidad del Zulia, VE
17	269518	2169.5	0.04%	6	4339	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
18	149038	2147.0	0.04%	2	4294	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
19	36719	2092.0	0.02%	1	2092	MMU-53-AS-NET, US
20	329574	2041.0	0.02%	1	2041	Sierra_Leone_Research_and_Education_Netw, SL
21	136867	1996.0	0.05%	3	5988	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
22	21570	1863.0	0.02%	94	1863	ACI-1, CA
23	13341	1823.8	0.06%	5	7295	TRANQUILITY, US
24	265566	1594.2	0.06%	4	6377	TELESISTEMAS PENINSULARES SA DE CV, MX
25	57670	1443.0	0.08%	6	8658	ASOPENWAY, UA
26	207633	1382.0	0.02%	2	2764	NOSSPEED, TR
27	147117	1380.0	0.02%	2	2760	IDNIC-BLACKFAOS-AS-ID PT Blackfaos Data Nusantara, ID
28	28657	1341.7	0.04%	3	4025	MD Brasil - Tecnologia da Informacao Ltda, BR
29	150935	1329.7	0.04%	3	3989	IDNIC-PONOROGO-ID Dinas Komunikasi Informatika dan Statistik Kab. Ponorogo, ID
30	401017	1303.0	0.01%	1	1303	AAICE-ASN, US
31	51897	1299.0	0.01%	1	1299	MIHAN, IR
32	137258	1260.0	0.01%	1	1260	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
33	40138	1252.2	0.13%	12	15027	MDNET, US
34	41383	1230.0	0.02%	8	2460	WOLASN, GB
35	328811	1222.0	0.01%	1	1222	FCB-AS, MW
36	328665	1108.5	0.02%	2	2217	ZRA-AS, ZM
37	136501	1104.0	0.05%	20	5520	HKBNES-AS-AP HKBN Enterprise Solutions HK Limited, HK
38	12105	1059.0	0.02%	3	2118	GCN-001, US
39	149614	1053.0	0.01%	1	1053	TSIIPL-AS-IN TRANSACTION SOLUTIONS INTERNATIONAL INDIA PRIVATE LIMITED, IN
40	329454	1034.0	0.01%	1	1034	Vitel-Wireless, NG
41	211851	1028.0	0.02%	2	2056	WEB9-YAZILIM-BILISIM-HIZMETLERI, TR
42	8613	1005.0	0.03%	3	3015	WAVENET-AS8613, GB
43	197320	1005.0	0.01%	1	1005	NPA-AS, GB
44	214675	914.0	0.01%	1	914	STARLAMP Starlamp Network Project, JP
45	12654	897.6	0.12%	22	13464	RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
46	198918	878.6	0.06%	8	7029	MST-ZELDOL-AS MST Moskva Zeldol, RU
47	8791	861.0	0.02%	3	2583	FOEHN, GB
48	47516	852.0	0.05%	7	5964	DEHOST DEHOST INTERNET VE BILISIM TEKNOLOJILERI SANAYI TICARET LIMITED SIRKETI, TR
49	49565	833.0	0.01%	1	833	POLE-TELEKOM, TR
50	47585	814.7	0.07%
Total		104174.1	5.19%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	11580	0.10%	7954 -- IMMENSE-NETWORKS, US
2	130.137.231.0/24	10782	0.09%	16509 -- AMAZON-02, US
3	124.195.190.0/24	10718	0.09%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
4	55.74.57.0/24	10480	0.09%	335 -- DNIC-ASBLK-00306-00371, US
5	55.74.56.0/24	10444	0.09%	335 -- DNIC-ASBLK-00306-00371, US
6	55.27.217.0/24	10370	0.09%	335 -- DNIC-ASBLK-00306-00371, US
7	55.27.56.0/24	10360	0.09%	335 -- DNIC-ASBLK-00306-00371, US
8	55.67.56.0/24	10358	0.09%	335 -- DNIC-ASBLK-00306-00371, US
9	130.137.108.0/24	8489	0.07%	16509 -- AMAZON-02, US
10	173.82.125.0/24	8433	0.07%	16509 -- AMAZON-02, US
11	130.137.12.0/24	8328	0.07%	16509 -- AMAZON-02, US
12	186.83.117.0/24	7966	0.07%	10620 -- Telmex Colombia S.A., CO
13	130.137.230.0/24	7858	0.07%	16509 -- AMAZON-02, US
14	173.82.66.0/24	7251	0.06%	16509 -- AMAZON-02, US
15	199.47.232.0/22	7241	0.06%	13341 -- TRANQUILITY, US
16	130.137.80.0/24	7198	0.06%	16509 -- AMAZON-02, US
17	130.137.219.0/24	7149	0.06%	16509 -- AMAZON-02, US
18	130.137.118.0/24	7116	0.06%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
19	44.31.52.0/24	7071	0.06%	208907 -- RISING-BRIDGE-TECHNOLOGY, GB
20	84.205.66.0/24	7063	0.06%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
21	130.137.79.0/24	6958	0.06%	16509 -- AMAZON-02, US
22	177.86.122.0/23	6872	0.06%	52852 -- Last Mile Telecom, BR
23	37.252.60.0/22	6633	0.06%	5413 -- WAVENET-AS5413, GB
24	195.114.122.0/24	6621	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
25	5.252.36.0/22	6591	0.06%	5413 -- WAVENET-AS5413, GB
26	193.105.156.0/24	6590	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
27	45.83.76.0/24	6585	0.06%	5413 -- WAVENET-AS5413, GB
28	45.83.76.0/22	6583	0.06%	5413 -- WAVENET-AS5413, GB
29	173.82.67.0/24	6581	0.06%	16509 -- AMAZON-02, US
30	173.82.108.0/24	6556	0.06%	16509 -- AMAZON-02, US
31	5.22.224.0/21	6552	0.06%	5413 -- WAVENET-AS5413, GB
32	45.132.148.0/23	6543	0.06%	5413 -- WAVENET-AS5413, GB
33	195.114.123.0/24	6538	0.06%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
34	173.82.63.0/24	6537	0.06%	16509 -- AMAZON-02, US
35	130.137.89.0/24	6502	0.06%	14618 -- AMAZON-AES, US
36	130.137.127.0/24	6492	0.06%	16509 -- AMAZON-02, US
37	46.31.71.0/24	6489	0.06%	5413 -- WAVENET-AS5413, GB
38	130.137.124.0/24	6470	0.06%	16509 -- AMAZON-02, US
39	130.137.90.0/24	6430	0.06%	16509 -- AMAZON-02, US
40	130.137.130.0/24	6392	0.06%	16509 -- AMAZON-02, US
41	130.137.26.0/24	6386	0.06%	16509 -- AMAZON-02, US
42	173.82.129.0/24	6375	0.06%	16509 -- AMAZON-02, US
43	130.137.78.0/24	6321	0.05%	16509 -- AMAZON-02, US
44	62.44.64.0/19	6313	0.05%	5413 -- WAVENET-AS5413, GB
45	62.69.32.0/19	6309	0.05%	5413 -- WAVENET-AS5413, GB
46	45.172.92.0/22	6308	0.05%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
47	130.137.28.0/24	6308	0.05%	16509 -- AMAZON-02, US
48	62.72.128.0/19	6307	0.05%	5413 -- WAVENET-AS5413, GB
49	130.137.99.0/24	6304	0.05%	16509 -- AMAZON-02, US
50	62.105.64.0/18	6297	0.05%	5413 -- WAVENET-AS5413, GB
Total		370998	3.22%

14 Day BGP Profile: 20-November-2025 00:00 - 3-December-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26972683
Number of Prefix Updates:	11234520
Number of Prefix Withdrawals:	301748
Average Prefixes per BGP Update:	0.43
Average BGP Update Messages per second:	22.30
Average Prefix Updates per second:	9.54
Peak BGP Update Message Rate per second:	65321	(19:59:10 Mon, 24-Nov-2025)
Peak Prefix Update Rate per second:	625	(03:30:28 Wed, 26-Nov-2025)
Peak Prefix Withdraw Rate per second:	30730	(05:08:02 Thu, 20-Nov-2025)
Prefix Count:	1060992
Updated Prefix Count:	791103
Stable Prefix Count:	269889
Origin AS Count:	77669
Updated Origin AS Count:	65891
Stable Origin AS Count:	11778
Unique Path Count:	585361
Updated Path Count:	440757
Stable Path Count:	144604

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates

Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.